Model # 24105

Internet #100548129

Store SKU #430291

Thompson's WaterSeal 5 gal. Clear Multi-Surface Waterproofer

Thompson's WaterSeal

5 gal. Clear Multi-Surface Waterproofer

$51.66 /each

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Product Overview

The Thompson's WaterSeal 5 gal. Clear Multi-Surface Waterproofer effectively seals wood, brick and concrete surfaces, like decks and patios, from water damage. This waterproofer features a low VOC formula for safety and finishes clear to allow surfaces to maintain their natural color. Apply this sealer on by brush, roller or sprayer for convenience and allow to dry for 24 hours before recoating or touching.

California residents: see   Proposition 65 information

  • Low-VOC formula ideal for use on wood, concrete and brick
  • 5 gal. container waterproofs up to 1,000 sq. ft.
  • Clear finish maintains the surface's original color and allows wood to gray naturally
  • Dries to the touch in 24 hours to provide quick protection
  • Requires only 1-coat for efficient waterproof defense
  • May be applied with a brush, roller, dipper or sprayer
  • Online price includes PaintCare fee in the following states: CA, CO, CT, MN, OR, RI, VT
  • Click here to learn more about waterproofing

Info & Guides

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Warranty / Certifications

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Customer Questions & Answers

What do I clean my sprayer with?

Asked by: smitty
1 cup Mineral spirits first run through and then 1/4 cup dish detergent and 1 qt. water second run through until clear.
Answered by: 1ProHandiman
Date published: 2016-08-12

Hello how often should I reseal the wood with this product

Asked by: oh
We wash and seal decks every 3 to 5 years depending on sun and rain fall. Places like Florida and Texas every 2 years.
Answered by: 1ProHandiman
Date published: 2016-09-14

Clear multi surface seal, is it suppose to come out white like milk

Asked by: wildcat
Yes, it will then dry clear after curing. It needs to be applied evenly with no puddles. All puddles need to be spread out.
Answered by: 1ProHandiman
Date published: 2016-07-15

Cement is sticky and doesn't seem to be drying

I think that I've applied the multi-surface waterproofer to thick. The drive is sticky after two days of application. How can I resolve this? Should I use driveway cleaner and powerwash it again?
Asked by: Dale
Dear Dale, Instructions for use indicate that a light coating for Thompson's Waterseal is all one needs to do the job. However, it also indicates that concrete, brick and masonry surfaces must be thoroughly cleaned prior to application with a concrete cleaner according to the directions and cautions on the cleaner. Concrete that has a smooth, flat finish must be opened for proper penetration by Thomson's Waterseal. This should be done using a concrete etch product following concrete etching use instructions carefully ensuring thorough rinsing and removal of the etching solution. Then allow the concrete to dry a minimum of 72 hours after etching before applying the Waterseal. I'm sorry you had the problem. I know things like this can be frustrating. I hope this helps.
Answered by: hamrdul
Date published: 2016-02-03
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Customer Reviews

5 gal. Clear Multi-Surface Waterproofer is rated 2.7 out of 5 by 107.
Rated 1 out of 5 by from A week later it is still sticky We had a contractor apply this on our 2 month old concrete slab. It is in a warm and dry area, inside a structure. A week later it is still so sticky that my flip flop got stuck to it when I Walked across the floor. We throw events in our space and all anybody could bring up is how sticky the floor is. It's also blotchy and shows obvious application marks. Again, we used pro concrete people and still experienced these results. We will have to strip and buff 6000 sqft and cross our fingers the sticky and streaks come out.
Date published: 2016-08-31
Rated 1 out of 5 by from Dissatisfied with product and service I purchased a 5 gal bucket at the Carrollton Ga location The service was good They recommended that i have them shake the can. I followed directions and then ran out of the product I went back to the Cedartown location and finally was able to get someone to help me but when I asked about having the can shaken they told me "no" it was against their policy I followed directions again This has been 10 days and the floor is still sticky Very dissatisfied
Date published: 2016-08-24
Rated 1 out of 5 by from Terrible! Ruined an expensive job for me. As a contractor and a friend I will never buy any thompsons product again. Left streaks in masonry and ruined appearance. I originally thought nothing of it bc masonry always looks strange during the drying process. This stayed that way. Now I'm left trying to fix it somehow. A true waking nightmare.
Date published: 2016-08-25
Rated 5 out of 5 by from Works Great! This is a great product but we use it twice a year. We like the graying of the wood so didn't get the UV one. You still have to clean the area annually to prevent mildew and staining but that is to be expected. I roll it on. It usually takes 24 hrs to dry completely, otherwise it's tacky.
Date published: 2016-10-11
Rated 3 out of 5 by from Rolled on heavy on our driveway, one coat didn't do it, probably would take two or three coats Rolled on heavy on our driveway, one coat didn't do it, probably would take two or three coats
Date published: 2016-12-09
Rated 1 out of 5 by from A good product gone BAD!! As a construction worker, I had used this product over the years with good results. BUT, apparently they have changed the formula and it is just plain LOUSY!! I prepped my new 900 sq ft concrete pool deck as required, and applied 2 coats (6 gallons total) over the next couple of days. It looked great the first couple of rain showers, but then it seemed to rinse away, leaving no protection. Yes, THOMPSON'S refunded my purchase price, but I now have to re-do the whole surface with a different brand product. DO NOT BUY.....DO NOT BUY.....DO NOT BUY.................
Date published: 2016-09-02
Rated 1 out of 5 by from New Formula NOT FOR CONCRETE! Stay Away! Have used TWS products in past with good results however, this product is AWFUL for concrete surfaces. I have a 3 yr old covered 25'x13' front porch with a concrete floor which had never been sealed. As per label instructions, I cleaned thoroughly and dried for 4 days prior to application. Humidity was 45-65% with temps in the 58-83 degree range with no rain during and four days after application. A light and even coat of this product was applied with a roller at the label recommended 250 sq ft/gal rate for concrete. FOUR DAYS LATER THE CONCRETE IS STILL STICKY AND VERY SPLOTCHY! I I should have read the reviews on Amazon and elsewhere before buying this product. I have contacted the manufacturer to determine how to resolve this unacceptable issue!
Date published: 2016-05-11
Rated 5 out of 5 by from Excellant Protection I have used Thompson's WaterSeal for many years to protect the masonry work on my property. During winter months, moisture can penetrate masonry and freeze. The freezing can crack and split the outside finish as it expands. Applying Thompson's WaterSeal before the anticipated first freeze of the season prevents damage due to freezing. It also protects staining due to water runoff during rains and dew. Thompson's WaterSeal is the best sealer I have found that works for a full season with guaranteed results. Due to the uneven rough surface I am protecting, I apply the sealer with an industrial sprayer. The sealer dries clear and does not change the appearance of the masonry.
Date published: 2015-06-01
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